AMD Radeon R9 M385X vs AMD Radeon RX 6300M

VS

AMD Radeon R9 M385X

AMD Radeon RX 6300M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385X and 2GB VRAM Radeon RX 6300M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M385X 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (76.80GB/s vs 72.00GB/s)

128 additional rendering cores

AMD Radeon RX 6300M 's Advantages

Released 6 years and 8 months late

Boost Clock has increased by 118% (2400MHz vs 1100MHz)

Score

Benchmark

FP32 (float)

Radeon R9 M385X

1.971 TFLOPS

Radeon RX 6300M +87%

3.686 TFLOPS

Radeon R9 M385X

VS

Radeon RX 6300M

Graphics Card

May 2015

Release Date

Jan 2022

Gem System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

1000 MHz

Base Clock

2000 MHz

1100 MHz

Boost Clock

2400 MHz

1200 MHz

Memory Clock

2250 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

32bit

76.80GB/s

Bandwidth

72.00GB/s

Render Config

14

Compute Units

12

-

896

Shading Units

768

56

TMUs

48

16

ROPs

32

-

RT Cores

12

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

1024 KB

-

L3 Cache

8 MB

Theoretical Performance

17.60 GPixel/s

Pixel Rate

76.80 GPixel/s

61.60 GTexel/s

Texture Rate

115.2 GTexel/s

-

FP16 (half)

7.373 TFLOPS

1.971 TFLOPS

FP32 (float)

3.686 TFLOPS

123.2 GFLOPS

FP64 (double)

230.4 GFLOPS

Board Design

Unknown

TDP

35W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Strato

GPU Name

Navi 24

Strato XT

GPU Variant

Navi 24 XML

GCN 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

2.08 billion

Transistors

5.4 billion

160 mm²

Die Size

107 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.2.170

Vulkan

1.3

-

6.5

Shader Model

6.6

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